By MICHAEL KAHN
The stock market is back at a key resistance level after rising on vapors. But does it have the strength to break through to the upside?
TO MEASURE THE QUALITY of any stock-market rally, we look at such factors as market breadth and volume.
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Technical analysis textbooks tell us that truly healthy and therefore sustainable gains in the stock market are built on substantial participation by a clear majority of stocks. In other words, we need the public and institutions involved in a big way buying almost anything that looks decent.
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